import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/Users/Users.vue'
import Rights from '../components/Power/Rights.vue'
import Roles from '../components/Power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Orders from '../components/orders/orders.vue'
import Reports from '../components/reports/Reports.vue'
Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },//重定向
    { path: '/login', component: Login },
    {
      path: '/home', component: Home, redirect: './welcome',
      children: [
        { path: '/welcome', component: Welcome, },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: List },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Orders },
        { path: '/reports', component: Reports },
      ]
    },
  ]
})

router.beforeEach((to, from, next) => {
  // to 将要访问的路径s
  // from 从哪个路径来
  // next() 放行  next('/login') 强制跳转
  if (to.path === '/login') { return next() };
  const tokenStr = window.sessionStorage.getItem('token');
  if (!tokenStr) { return next('/login') };
  next();
})

export default router